1/* 2 * Include file for NEC VR4100 series General-purpose I/O Unit. 3 * 4 * Copyright (C) 2005-2009 Yoichi Yuasa <yuasa@linux-mips.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20#ifndef __NEC_VR41XX_GIU_H 21#define __NEC_VR41XX_GIU_H 22 23/* 24 * NEC VR4100 series GIU platform device IDs. 25 */ 26enum { 27 GPIO_50PINS_PULLUPDOWN, 28 GPIO_36PINS, 29 GPIO_48PINS_EDGE_SELECT, 30}; 31 32typedef enum { 33 IRQ_TRIGGER_LEVEL, 34 IRQ_TRIGGER_EDGE, 35 IRQ_TRIGGER_EDGE_FALLING, 36 IRQ_TRIGGER_EDGE_RISING, 37} irq_trigger_t; 38 39typedef enum { 40 IRQ_SIGNAL_THROUGH, 41 IRQ_SIGNAL_HOLD, 42} irq_signal_t; 43 44extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, 45 irq_signal_t signal); 46 47typedef enum { 48 IRQ_LEVEL_LOW, 49 IRQ_LEVEL_HIGH, 50} irq_level_t; 51 52extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level); 53 54typedef enum { 55 GPIO_PULL_DOWN, 56 GPIO_PULL_UP, 57 GPIO_PULL_DISABLE, 58} gpio_pull_t; 59 60extern int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull); 61 62#endif /* __NEC_VR41XX_GIU_H */ 63